Firstly, is your AE82 a twin cam or 4AC single cam/carbie? secondly which Microtech? ie MTX8, LTX12?? VVTi is triggered by the AUX output via a relay in one of my cars.As for the A/C in my AE82 B/T, which was a carbie single cam, we just spliced the Blacktops compressor hose, clutch power and fitted the twin cam idle up valve and a few other wires tell the ECU what to do, and worked fine (this was a factory ECU). Using the mircotech means you need to do the same minus the wiring to the ECU, this is how I did it on my hilux carb to EFI conversion back when the D4s was the lastest Microtech... that ran fine til someone killed the car.Originally Posted by bobob
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